Electric-light fixture.



A. SEIM.

ELECTRIC LI GHT FIXTURE.

APPLICATION FILED MAY 10, I916.

1,251,699. Patented Jan. 1, 1918 'it he i r0 I z 76 attest; Inventor CZttg UUNITED sr rEsrarnnrorr on AUGUST SEIM, ors'r. Lours, mrssounr, Assrcmon T0 MIssoUnrnA r AND MAnuFAc- Tulane company, or s'r. Lou s.- MISSOURI, A-COBPQBATION or 'mrssounr.

nnncrnrofmonr- FIXTURE.

Specifica i n of Le si t-Z: Patented J pplicati n fi ed M r 9 6. serial $636,610.

To'all whom it may concern:

Be it known that 1', AUGUST SEIM, a citizen of the United States, and resident of St. Louis, Missouri, have invented certain new and useful Improvements in Electric-Light Fixtures, of which the following is a specification containing a full, clear, and exact description, reference being had to the accompanying drawings, forming-a part hereof.

My invention relates to improvements in electric ligh fix ures and is esp c a y irected to a device arranged to serve the double function of supporting a lamp shade and covering the lamp socket.

The object of my invention is to construct a simple, inexpensive, neat, durable and easily installed device comprising separable elements which conjointly operate to clamp a lamp shade and also serve to cover the lamp socket.

' WVith the above purposes in view my invention consists in certain novel details of the construction and arrangement of parts as will be hereinafter fully, clearly and concisely set forth in my specifications, pointed out in my claim and illustrated by the accompanying drawings, in which,

Figure 1 is a vertical sectional elevation of the device of my invention arranged as in use and shows a fragment of a lamp shade with a lamp socket in place;

Fig. 2 is a fragmental plan of the clampin collar of my device and,

ig. 3 is a fragmental sectional elevation of the lower end of the main body portion of the device showing the split ends thereof.

Referring by numerals to the accompanying drawings, 4 designates the lamp shade having the opening 5 through its top and at its top the outstanding bead 6 surrounding the opening 5. This lamp shade is of common ordinary construction and of itself forms no part of my invention except as combined with my improved holder therefor. 7 designates a lamp socket which is of ordinary construction having at its top an internally threaded opening 8 arranged to receive in a common manner the threaded stem 9 of a suspending loop 10, there being an opening 11 formed through the stem 9 of the suspending loop for the electric conductors not shown.

The device of my improvements comprises a socket cover 12 which as shown in the drawing is of substantially cylindrical I for-j mation, but in this connection I fwantit to be understood that'the shape of the cover 12. may vary'to conform generally to the socket such as .7 employed. I

Formed inflthe top of the cover 12 there is an opening 18 through which the threaded stem 9 of the suspendingloop is extended,

the stem as shown beingheld against with-1 drawal a*nut-;14:andthreaded into. the seat8 of the socket -7 so thatthe socket is held for suspension by the suspendingloop. 1Q and the cover 12 held in place overth'e "socket to constitute a cover, protector, or

hood for said socket. As shown, the cover 12 has at its lowermost end an outstanding annular extension 15, which extension is substantially vertical having a bead 16 ar ranged to receive the bead 6 of the shade and beneath the head 16 an outstanding flange 17 arranged to rest upon the shade.

At points circumferentially. of the outstanding extension 15 there are the vertically disposed slits 18 and at diametrically opposite points in a plane slightly above the head 16 are the outstanding extensions or bosses 19. V

The numeral 20 designates a collar having at its top an inturned annular flange 21 in which flange at diametrically opposite points are the notches 22 only one of which is shown in the drawing (see Fig. 2), and the said collar has at its lowermost end a beaded flange 28 which like the flange 17 of the cover 12 rests upon the lamp shade.

The diameter of the collar between opposite marginal points of the flange 21 is substantially the same as the normal outside diameter of the extension'15 of the cover 12 so that it will readily pass thereover, first to a position resting comfortably upon the head 16 at which position the notches 22 are only partially extended over the bosses 19. A continued depression of the collar downwardly over the head 16 will contract the diametrical dimension of the lower end of the cover 12, the slits 18 permitting such contraction which contraction brings the head 16 to a position firmly grasping the head 6 of the lamp shade after which grasping or clamping the collar is rotated to bring the notches 22 out of registration with the bosses 19 thereby locking the collar against u ward movement and thus holding the shtted and headed end of the cover12 in a condition firmly grasping the bead around the opening in the top of the lamp shade. It will thus be seen that the operation of securing a lamp shade in place is accomplished by the movement of a single element viz. the collar, thus greatly facilitating the operation as well as simplifying and economically constructing the shade holder.

Having thus described my invention what I claim as new therein and desire to secure by Letters-Patent of thevUnited States, therefor is:

An electric light fixture comprising a socket, a suspending loop provided with a threaded stem, mounted in said socket, the said stem being provided with opening for the passage of an electric conductor, a cylindric al cover for said socket having its upper end mounted over said stem, a nut for securing the cover to said stem, the said cover for the socket being provided at its lower end with a downwardlyand outwardly flaring portion, the same being slitted, beaded and provided with bosses and with a, downwardly and outwardlyextending flange below the beaded portion, and a collar provided with a notched inturned flange, and a' downwardly projecting flange adapted to be positioned over the flaring portion of the cover, and the inturned notched flange adapted to engage with the bosses of said flaring portion to hold the collar on the outwardly extending flange for exerting a downward and inwardpressure on the neck of a lamp shade. I

In testimony whereof, I have signed my 4 name to this specification, in presence of two subscribing witnesses v V i a AUGUST SEIM. Witnesses:

\VILLIAM H. KARGER, ELI GRoss,

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

' Washington, D. O. 

